Actually, the results of the AVIF team's comparison do show the value of JPEG XL, if you look a bit further than the main page and dig into the actual plots. E.

Actually, the results of the AVIF team's comparison do show the value of JPEG XL, if you look a bit further than the main page and dig into the actual plots. E.g. according to this plot, JXL is about 15% better than AVIF for 'web quality' images (around 1 bpp): https://storage.googleapis.com/avif-comparison/images/subset1/rateplots/subset1_avif-jxl_t-1_avif-s7_jxl-s6_ssimulacra2__bpp-0.1-3.0.png https://storage.googleapis.com/avif-comparison/images/subset... Here is a detailed analysis: https://cloudinary.com/blog/contemplating-codec-comparisons https://cloudinary.com/blog/contemplating-codec-comparisons